.narrow {
    height: 22px;
    width: 22px;
    line-height: 22px;
    text-align: center;
    padding: 0px 2px;
    border-radius: 3px;
    cursor: pointer;
}

.narrow:hover {
    background-color: #e8e8e8;

}

.slotBox {
    // border: 1px solid red;
    overflow-y: scroll;
}

.slotBox::-webkit-scrollbar {
    width: 0;
    height: 0;
    display: none;
}